Academician Veljko Milković was a guest of the independent media production Balkan Info, which published its first interview in 2020 with him. In this interview, the main emphasis is on the application of the two-stage mechanical oscillator, as a device of high energy efficiency, for the purpose of electricity production and discussion on the placement of such technology in modern society and industry as one of those that radically change the principles of electricity production opposed to the existing systems in use.
The description of the video states: "The guest of the show "Interview" was Veljko Milković, inventor and researcher, engaged in research, invention, innovation, study of the history of inventions, futuristic projects, writing, etc. Milković's unique water pump, based on his patented technology of the two-stage mechanical oscillator, has already traveled the world. Water pumps base don this technology are already being made in Italy, and his patent is being studied in America, India, Mexico ... He has about 114 inventions, 40 patents and He wrote and published 15 books that have been translated into several world languages and and that served as a basis upon several feature-length documentaries have been made so far. He is the conceptual creator of a self-heating ecological house and a large number of ecological innovations that have been in use for many years. In his research work, he has been intensively studying the phenomenon of gravity as well as improving anti-gravity experiments. names and related anti-gravity propulsion devices. He is a member of the Serbian Academy of Innovative Sciences from Belgrade. We encourage you to watch the entire interview and learn more about a number of interesting topics."